Results 81 to 90 of about 3,991 (213)

Noise in Passively Mode-Locked Lasers [PDF]

, 1998
For the first time, phase fluctuations in the spectral intensity of the pulse train generated by passively mode-locked semiconductor lasers have been measured. The results reveal diffusion-like fluctuations of this phase.
Eliyahu, D., Yariv, A.
core   +1 more source

Physical Interpretation of Diffractive Optical Networks for High‐Dimensional Vortex Mode Sorting

Advanced Science, Volume 13, Issue 1, 5 January 2026.
The first layer‐resolved physical interpretation of diffractive optical networks trained for high‐dimensional vortex mode sorting is presented, revealing transformation division phenomena linked to saturated performance as layer numbers increase. This analysis reconciles physical theorems with network operations, enabling physics‐driven design of ...
Ruitao Wu, Juncheng Fang, Rui Pan, Rongyi Lin, Kaiyuan Li, Ting Lei, Luping Du, Xiaocong Yuan   +7 more
wiley   +1 more source

Independent Orbiter Assessment (IOA): Analysis of the DPS subsystem [PDF]

The results of the Independent Orbiter Assessment (IOA) of the Failure Modes and Effects Analysis/Critical Items List (FMEA/CIL) is presented. The IOA approach features a top-down analysis of the hardware to independently determine failure modes ...
Haufler, W. A., Lowery, H. J., Pietz, K. C.   +2 more
core   +1 more source

First experimental demonstration of real-time orchestration in a Multi-head metro network [PDF]

, 2014
International audienceWe present for the first time the experimental demonstration of a Real-Time control-plane on the Multi-hEad sub-wavElength swiTching (MEET), Metro architecture. The key control assets are calculated and provided to the edge nodes in
Alaiwan, Vincent, ARZUR, Bernard, Barbey, Jean-Luc, Betoule, Christophe, Borgne, Eric, Bramerie, Laurent, Carer, Arnaud, GAVIGNET, Paulette, Le Rouzic, Esther, Sadeghioon, Lida, Triki, Ahmed   +10 more
core   +3 more sources

Polarization demultiplexing in Stokes space

Optics Express, 2010
A technique is demonstrated for polarization demultiplexing of arbitrary complex-modulated signals. The technique is based entirely on the observation of samples in Stokes space, does not involve demodulation and is modulation format independent. The data in Stokes space is used to find the best fit plane and the normal to it which contains the origin.
Bogdan, Szafraniec, Bernd, Nebendahl, Todd, Marshall   +2 more
openaire   +2 more sources

Self‐Timed Asynchronous RISC‐V Microprocessor for Contactless Cards

Electronics Letters, Volume 62, Issue 1, January/December 2026.
ABSTRACT Contactless smart cards operate using power harvested through inductive coupling, which requires the use of extremely low‐power, supply‐tolerant digital architectures. This work presents a self‐timed RISC‐V RV32I microprocessor that replaces the global clock with an asynchronous finite state machine based on a handshake protocol.
Alfio Basile, Nicola Imperato, Sonia Andronaco, Marco Castellano, Alfio Dario Grasso   +4 more
wiley   +1 more source

Multimode fiber optic wavelength division multiplexing [PDF]

Optical wavelength division multiplexing (WDM) systems, with signals transmitted on different wavelengths through a single optical fiber, can have increased bandwidth and fault isolation properties over single wavelength optical systems.
Spencer, J. L.
core   +1 more source

Multi-channel demultiplexer/demodulator [PDF]

15th International Communicatons Satellite Systems Conference and Exhibit, 1994
One of the critical satellite technologies in a meshed VSAT (very small aperture terminal) satellite communication networks utilizing FDMA (frequency division multiple access) uplinks is a multichannel demultiplexer/demodulator (MCDD). TRW Electronic Systems Group developed a proof-of-concept (POC) MCDD using advanced digital technologies.
P. Cangiane, G. Caso, H. Courtois, R. Rey   +3 more
openaire   +1 more source

A Scalable FPGA‐Based Time‐Division Multiplexing Architecture for High‐Precision Synchronous Control of Large‐Scale Micro DC Motors

IET Electric Power Applications, Volume 20, Issue 1, January/December 2026.
To address the limitations of traditional FPGA‐based multiaxis control schemes—such as excessive resource consumption and complicated parameter tuning—this paper proposes a large‐scale time‐division multiplexing (LTDM) control architecture. By leveraging dynamic resource scheduling and high‐fanout signal optimisation, the proposed architecture enables ...
Xilin Zhang, Bangji Wang, Mingrui Gou, Mengxuan Wang, Yong Huang   +4 more
wiley   +1 more source

Joint Design of Multi-Tap Analog Cancellation and Digital Beamforming for Reduced Complexity Full Duplex MIMO Systems

, 2017
Incorporating full duplex operation in Multiple Input Multiple Output (MIMO) systems provides the potential of boosting throughput performance. However, the hardware complexity of the analog self-interference canceller scales with the number of transmit ...
Alexandropoulos, George C., Duarte, Melissa   +1 more
core   +1 more source